.middle {
    width: 1000px;
    height: 850px;
    margin: 50px auto;
    border: 1px solid red;
    position: relative;
}

.middle > div:first-child {
    border-bottom: 1px solid red;
    height: 60px;
    color: #e69137;
    font-size: 30px;
}

.middle > div:first-child > div:first-child {
    padding: 10px;
    float: left;
}

.middle > div:first-child > div:nth-child(2) {
    /*padding:0 10px;*/
    float: right;
    display: flex;
    height: 60px;
    line-height: 60px;
    justify-content: center;

}

.middle > div:first-child > div:nth-child(2) div {
    padding: 0 10px;
}

.middle > div:first-child > div:nth-child(2) div:hover {
    background-color: #e69137;
    color: white;
}

/*--------------------产品内容-----------------------*/
.middle > div:nth-child(2) {
    padding: 10px;

}

/*具体产品*/
.middle > div:nth-child(2) > div {
    width: 230px;
    /*border: 1px solid red;*/
    height: 350px;
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
}

/*图片外面的div*/
.middle > div:nth-child(2) > div > div:first-child {
    width: 230px;
    height: 230px;
}

.middle > div:nth-child(2) > div > div:first-child img {
    width: 100%;
    height: 100%;
}

/*产品名称*/
.middle > div:nth-child(2) > div > div:nth-child(2) > div:first-child {
    font-weight: bold;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.middle > div:nth-child(2) > div > div:nth-child(2) > div:nth-child(2) {
    display: flex;
    justify-content: flex-start;
}

.middle > div:nth-child(2) > div > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) {
    color: #a0acac;
}

.middle > div:nth-child(2) > div > div:nth-child(2) > div:nth-child(2) > div:nth-child(2) {
    color: red;
}

.middle > div:nth-child(2) > div > div:nth-child(2) > div:nth-child(3) {
    color: #a0acac;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}